# Maintainer: Natanael Copa <ncopa@alpinelinux.org>

_luaversions="5.1 5.2 5.3"

pkgname=lua-posix
_name=luaposix
pkgver=33.4.0
pkgrel=1
pkgdesc="POSIX library for Lua $_luaver"
url="https://github.com/luaposix/luaposix"
arch="all"
license="MIT"
depends=""
makedepends="perl automake autoconf linux-headers lua-bit32"
subpackages="$pkgname-doc"

for _i in $_luaversions; do
	makedepends="$makedepends lua$_i-dev lua$_i"
	subpackages="$subpackages lua$_i-posix:_posix_${_i/./_}"
done
source="luaposix-$pkgver.tar.gz::https://github.com/luaposix/luaposix/archive/release-v$pkgver.tar.gz
	"

_sdir="$srcdir"/$_name-release-v$pkgver

prepare() {
	cd "$_sdir"
	for i in $source; do
		case $i in
		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
		esac
	done
	aclocal && autoconf && automake --add-missing || return 1
	for _i in $_luaversions; do
		cp -r "$_sdir" "$srcdir"/build-$_i
	done
}

build() {
	for _i in $_luaversions; do
		msg "build for Lua $_i"
		cd "$srcdir"/build-$_i
		LUA=lua$_i LUA_INCLUDE=$(pkg-config lua$_i --cflags) \
			./configure --prefix=/usr \
			--libdir=/usr/lib/lua/$_i \
			--datadir=/usr/share/lua/$_i \
			|| return 1
		make || return 1
	done
}

package() {
	for _i in $_luaversions; do
		cd "$srcdir"/build-$_i
		make DESTDIR="$pkgdir" luadir="/usr/share/lua/$_i" install \
			|| return 1
	done
}

_split() {
	depends=
	local d= _ver=$1 _f=$2
	if [ "$_ver" != "5.2" ]; then
		# use versioned dep to work around
		# http://bugs.alpinelinux.org/issues/4063
		depends="lua$_ver-bit32<26"
	fi
	for d in usr/lib/lua usr/share/lua; do
		if [ -d "$pkgdir"/$d/$_ver ]; then
			mkdir -p "$subpkgdir"/$d/$_ver
			mv "$pkgdir"/$d/$_ver/$_f* "$subpkgdir"/$d/$_ver/ \
				|| return 1
			rmdir "$pkgdir"/$d/$_ver 2>/dev/null || true
		fi
	done
}

_split_posix() {
	local _ver=$1
	pkgdesc="POSIX library for Lua $_ver"
	install_if="lua$_ver lua-posix=$pkgver-r$pkgrel"
	_split $_ver posix
}

for _i in $_luaversions; do
	eval "_posix_${_i/./_}() { _split_posix $_i; }"
done

sha512sums="3cb78ccb343a55e2bf5b182410e2050356379e8f7a86d42a79853db6198628cae85f9984854f99f41505cb7e4fbb5288e4a46633a6db459649837729af76044c  luaposix-33.4.0.tar.gz"
